README: added description how to install SDK in Gradle via Maven Central.
README: added description how to install SDK in Gradle via Maven Central.
pwittchen/Android-SDK-Estimote,hakimlame94/Android-SDK,nikhilJain17/Android-SDK,DESHRAJ/Android-SDK,analistacarlosh/Android-SDK,SmartDust/Android-SDK,jango2015/Android-SDK,Kaiseryang1224/Android-SDK,pcdamazo/Android-SDK,lamiastella/Android-SDK